CN113979634A - Novel X-ray radiation-proof special glass and preparation method thereof - Google Patents
Novel X-ray radiation-proof special glass and preparation method thereof Download PDFInfo
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- 239000011521 glass Substances 0.000 title claims abstract description 113
- 238000002360 preparation method Methods 0.000 title claims description 22
- 230000005855 radiation Effects 0.000 claims abstract description 33
- 229910003069 TeO2 Inorganic materials 0.000 claims abstract description 32
- 229910001632 barium fluoride Inorganic materials 0.000 claims abstract description 30
- LAJZODKXOMJMPK-UHFFFAOYSA-N tellurium dioxide Chemical compound O=[Te]=O LAJZODKXOMJMPK-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 239000000156 glass melt Substances 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000005303 weighing Methods 0.000 claims description 11
- GAMYVSCDDLXAQW-AOIWZFSPSA-N Thermopsosid Natural products O(C)c1c(O)ccc(C=2Oc3c(c(O)cc(O[C@H]4[C@H](O)[C@@H](O)[C@H](O)[C@H](CO)O4)c3)C(=O)C=2)c1 GAMYVSCDDLXAQW-AOIWZFSPSA-N 0.000 claims description 7
- 238000000137 annealing Methods 0.000 claims description 7
- 229930003944 flavone Natural products 0.000 claims description 7
- 150000002212 flavone derivatives Chemical class 0.000 claims description 7
- 235000011949 flavones Nutrition 0.000 claims description 7
- VHBFFQKBGNRLFZ-UHFFFAOYSA-N vitamin p Natural products O1C2=CC=CC=C2C(=O)C=C1C1=CC=CC=C1 VHBFFQKBGNRLFZ-UHFFFAOYSA-N 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 abstract description 6
- 230000000052 comparative effect Effects 0.000 description 13
- 239000000463 material Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 3
- 239000010428 baryte Substances 0.000 description 3
- 229910052601 baryte Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- XHGGEBRKUWZHEK-UHFFFAOYSA-L tellurate Chemical compound [O-][Te]([O-])(=O)=O XHGGEBRKUWZHEK-UHFFFAOYSA-L 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005865 ionizing radiation Effects 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000005385 borate glass Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910003439 heavy metal oxide Inorganic materials 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005658 nuclear physics Effects 0.000 description 1
- 230000007903 penetration ability Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/12—Silica-free oxide glass compositions
- C03C3/23—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/02—Other methods of shaping glass by casting molten glass, e.g. injection moulding
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C4/00—Compositions for glass with special properties
- C03C4/08—Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths
- C03C4/087—Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths for X-rays absorbing glass
Abstract
The invention provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole: TeO2：60％；PbO：20％；ZnO：11‑19％；BaF2: 1 to 9 percent; the novel X-ray radiation-proof special glass provided by the invention is highly stable and has good X-ray cutoff capability. Compared with the radiation-proof glass and the concrete in the prior art, the protective capability of the invention is respectively improved by 1.85 times and 1.6 times to the maximum. According to the invention, the special glass with strong radiation protection capability is prepared at the temperature lower than 1000 ℃ by adjusting the glass composition.
Description
Technical Field
The invention belongs to the technical field of protective materials, and particularly relates to novel X-ray radiation-proof special glass and a preparation method thereof.
Background
Radioactive rays such as X-rays and gamma-rays belong to high-energy electromagnetic waves, and when the rays pass through different media, atoms of the media are ionized, so the rays are also called ionizing rays. The shorter the wavelength of the electromagnetic wave, the stronger the penetration ability thereof. The composition of ordinary glass cannot effectively absorb the rays, and a large amount of elements with high atomic numbers must be introduced into the glass composition to improve the absorption capacity of the glass. The special glass is applied to modern special technology, and because the absorption capacity of a substance to radioactive radiation is improved along with the increase of the atomic number of metal elements contained in the special glass, the special glass for protection contains a large amount of heavy metal oxides.
The use and production of radiation is increasing with the dramatic development of productivity in human production activities today, where ionizing radiation is considered as one of the key issues affecting human health and safety. Researchers are therefore constantly trying to find new high quality radiation shielding materials that attenuate radiation to safe levels as inexpensively as possible.
Suitable radiation shielding materials should simultaneously satisfy the conditions of non-toxicity, low price, environmental protection and multiple purposes. In the development of radiation shielding materials, researchers have attempted to develop and research materials such as alloys, lead-free concrete, rocks, polymers, and glass. Among these materials, heavy metal oxide-doped glasses have been receiving attention because of their excellent combination of high transparency, heat resistance, chemical resistance, pressure resistance, high density, and scratch resistance. Along with the development of the field, the radiation protection performance of the tellurate glass is more and more emphasized by people. Tellurate glass based on TeO2It has a higher density than silicate and borate glass systems and has better radiation shielding capabilities.
Research shows that the tellurate glass system has potential application in radiation protection. Al-Buriahi in 10.1016/j.ceramint.2020.04.240 studies the composition as TeO2Glass System of-ZnO-NiO, Amani at 10.1016/j. ceramine t.2020.04.017 investigated TeO2PbO and introduces the significance of this system in the field of radiation protection.
In current scientific research and production activities, the problems of weak protective effect or high cost and the like of using more radiation protection materials such as RS 360 glass and concrete are urgently to be solved, and a product with stronger performance and higher economic benefit is needed in the market to meet the requirement.
Disclosure of Invention
In order to solve the problems, the invention provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：20-X％；
BaF2：X％；
X＝1～9。
further, X is 1, 3, 5, 6, 7 or 9.
Furthermore, the novel X-ray radiation-proof special glass is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：19％；
BaF2：1％。
furthermore, the novel X-ray radiation-proof special glass is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：17％；
BaF2：3％。
furthermore, the novel X-ray radiation-proof special glass is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：15％；
BaF2：5％。
furthermore, the novel X-ray radiation-proof special glass is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：14％；
BaF2：6％。
furthermore, the novel X-ray radiation-proof special glass is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：13％；
BaF2：7％。
furthermore, the novel X-ray radiation-proof special glass is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：11％；
BaF2：9％。
the invention also provides a preparation method of the novel X-ray radiation-proof special glass, which comprises the following steps:
s1: weighing: weighing the components according to the specified mol percentage;
s2: dissolving: placing the components weighed in the S1 into a heat-resistant container, and then placing the heat-resistant container containing the components into a muffle furnace to be heated and melted to obtain a uniform glass melt;
s3: forming and annealing: pouring the glass melt obtained in the step S2 into a preheated flavone mold to be cooled and molded, and placing the mold in a constant temperature furnace to be annealed to obtain a glass primary product;
s4: and (5) cutting the glass primary product obtained in the step (S3), and grinding and polishing the surface of the glass primary product to obtain the novel X-ray radiation-proof special glass.
Further, in the step of S2, the heating and melting temperature in the muffle furnace is 850 ℃, and the heating and melting time is 1.5 hours.
Further, the preheating temperature of the preheating flavone mold in the step S3 is 200-250 ℃, the temperature in the constant temperature furnace is 250-300 ℃, and the annealing time is 24 hours.
The invention also provides application of the novel X-ray radiation-proof special glass in X-ray radiation prevention.
Has the advantages that: the novel X-ray radiation-proof special glass provided by the invention is highly stable and has good X-ray cutoff capability. Compared with the radiation-proof glass and the concrete in the prior art, the protective capability of the invention is respectively improved by 1.85 times and 1.6 times to the maximum. According to the invention, by adjusting the components of the glass, the special glass with strong radiation protection capability is prepared at the temperature lower than 1000 ℃; the preparation method has the advantages of simple preparation process, easy realization of large-size preparation, high repeatability and low melting temperature; compared with the prior art, the novel X-ray radiation-proof special glass prepared by the invention has excellent protection capability, has the advantages of no toxicity, low price, environmental protection and multiple purposes, has high density, high transparency and strong heat resistance, and is beneficial to shielding ionizing radiation in various production activities of human beings and improving the production efficiency and safety.
Drawings
FIG. 1 is a schematic view of a radiation protection capability testing apparatus;
FIG. 2 is a real map of a radiation protection capability testing apparatus;
FIG. 3 is a comparison graph of half-value layer thicknesses of novel X-ray radiation-proof special glass prepared in different examples in test examples; photon energy refers to photon energy;
FIG. 4 is a comparison graph of the mass attenuation coefficient of the novel X-ray radiation protection special glass prepared by different examples in the test example; mass attenuation coeffient refers to the mass attenuation coefficient;
FIG. 5 is a comparison of the mean free path of the experimental examples with RS 360 commercial glass and barite concrete; mean free path refers to mean free path.
Detailed Description
The present invention will be further illustrated with reference to the following examples; the following examples are illustrative, not limiting, and are not intended to limit the scope of the invention; the equipment used in the invention is the equipment commonly used in the field if no special provisions are made; the methods used in the present invention are those commonly used in the art, unless otherwise specified.
Example 1
The embodiment provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：19％；
BaF2：1％；
the preparation method comprises the following steps:
s1: weighing: weighing the components according to the specified mol percentage;
s2: dissolving: placing the components weighed in the S1 into a heat-resistant container, and then placing the heat-resistant container containing the components into a muffle furnace to be heated and melted, wherein the heating and melting temperature is 850 ℃, and the heating and melting time is 1.5 hours, so as to obtain a uniform glass melt;
s3: forming and annealing: pouring the glass melt obtained in the step S2 into a flavone mould with the preheating temperature of 200 ℃ to cool and form the glass melt, and placing the glass melt into a constant temperature furnace with the temperature of 250 ℃ to anneal for 24 hours to obtain a glass primary product;
s4: and cutting the glass primary product obtained in the step S3, and grinding and polishing the surface of the glass primary product to obtain the novel X-ray radiation-proof special glass (TPZBF-1).
Example 2
The embodiment provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：17％；
BaF2：3％；
the preparation method comprises the following steps:
s1: weighing: weighing the components according to the specified mol percentage;
s2: dissolving: placing the components weighed in the S1 into a heat-resistant container, and then placing the heat-resistant container containing the components into a muffle furnace to be heated and melted, wherein the heating and melting temperature is 850 ℃, and the heating and melting time is 1.5 hours, so as to obtain a uniform glass melt;
s3: forming and annealing: pouring the glass melt obtained in the step S2 into a flavone mould with the preheating temperature of 225 ℃ to be cooled and formed, and placing the mould into a constant temperature furnace with the temperature of 275 ℃ to anneal for 24 hours to obtain a glass primary product;
s4: and cutting the glass primary product obtained in the step S3, and grinding and polishing the surface of the glass primary product to obtain the novel X-ray radiation-proof special glass (TPZBF-3).
Example 3
The embodiment provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：15％；
BaF2：5％；
the preparation method comprises the following steps:
s1: weighing: weighing the components according to the specified mol percentage;
s2: dissolving: placing the components weighed in the S1 into a heat-resistant container, and then placing the heat-resistant container containing the components into a muffle furnace to be heated and melted, wherein the heating and melting temperature is 850 ℃, and the heating and melting time is 1.5 hours, so as to obtain a uniform glass melt;
s3: forming and annealing: pouring the glass melt obtained in the step S2 into a flavone mould with the preheating temperature of 250 ℃ to cool and form the glass melt, and placing the glass melt into a constant temperature furnace with the temperature of 300 ℃ to anneal for 24 hours to obtain a glass primary product;
s4: and cutting the glass primary product obtained in the step S3, and grinding and polishing the surface of the glass primary product to obtain the novel X-ray radiation-proof special glass (TPZBF-5).
Example 4
The embodiment provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：14％；
BaF2：6％；
the preparation process was the same as in example 1 to obtain novel X-ray radiation-proof specialty glass (TPZBF-6).
Example 5
The embodiment provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：13％；
BaF2：7％；
the preparation process was the same as in example 1 to obtain novel X-ray radiation-proof specialty glass (TPZBF-7).
Example 6
The embodiment provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：11％；
BaF2：9％；
the preparation process was the same as in example 1 to obtain a novel X-ray radiation-proof specialty glass (TPZBF-9).
Comparative example 1
The comparison example provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole:
TeO2：70％；
ZnO：29％；
BaF2：1％；
the preparation method is the same as example 1, and the novel X-ray radiation-proof special glass TZBF-1 is prepared.
Comparative example 2
The comparison example provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole:
TeO2：70％；
ZnO：27％；
BaF2：3％；
the preparation method is the same as example 1, and the novel X-ray radiation-proof special glass TZBF-3 is prepared.
Comparative example 3
The comparison example provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole:
TeO2：70％；
ZnO：24％；
BaF2：6％；
the preparation method is the same as example 1, and the novel X-ray radiation-proof special glass TZBF-6 is prepared.
Comparative example 4
The comparison example provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole:
TeO2：70％；
ZnO：23％；
BaF2：7％；
the preparation method is the same as example 1, and the novel X-ray radiation-proof special glass TZBF-7 is prepared.
Comparative example 5
The comparison example provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole:
TeO2：70％；
ZnO：21％；
BaF2：9％；
the preparation method is the same as example 1, and the novel X-ray radiation-proof special glass TZBF-9 is prepared.
Comparative example 6
The comparison example provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：8％；
BaF2：12％；
the preparation method is the same as example 1, and the novel X-ray radiation-proof special glass TPZBF12 is prepared.
Comparative example 7
The comparison example provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：19％；
ZnO：1％；
BaF2：20％；
the preparation method is the same as example 1, and the novel X-ray radiation-proof special glass TPZBF20 is prepared.
Comparative example 8
The comparison example provides novel X-ray radiation-proof special glass which is prepared from the following components in percentage by mole:
TeO2：70％；
PbO：10％；
ZnO：11％；
BaF2：9％；
the preparation method is the same as that of example 1, and the novel X-ray radiation-proof special glass TP10ZBF9 is prepared.
Test example 1 test of protective Properties
The method comprises the following steps:
and (3) weighing and testing by a precision balance by adopting pure water as an immersion liquid through an Archimedes principle.
The novel X-ray radiation-proof special glass prepared in each example and each comparison example is subjected to a lead equivalent thickness test to obtain the protection performance. The experimental setup is schematically shown in fig. 1, and the field diagram is shown in fig. 2. Several 20mm thick lead blocks surround the radiation source of the device, the radiation source is placed 300mm from the sample, and a collimator with an aperture of 5mm is placed between the radiation source and the sample to reduce the radiation scattered by the source and the surroundings.
The glass was tested at 7 energy lines (0.059, 0.081, 0.122, 0.356, 0.662, 1.173, 1.332MeV) using collimated narrow beam from 57Co, 60Co, 137Cs, 133Ba and 241Am radiation sources. Also, to reduce the effect of background radiation, each experiment was preceded byThe detector was operated without a radiation source for 30 minutes to obtain the count rate I of ambient background radiationbg. Furthermore, to reduce random errors, each sample was tested 10 times under each radiation source for five minutes, and finally the count rate I was obtained without glass placed0And the count rate I after settling.
Finally, the mass attenuation coefficient of the glass is obtained by the following formula:
wherein rho is the density of the glass and t is the thickness of the glass sample;
in nuclear physics, radiation protection can also be described in terms of HVL, with lower HVL values of material at the same thickness providing greater radiation protection. The HVL values of examples 1-6 and comparative examples 1-8 are shown in FIG. 3.
As can be seen from FIG. 3, the glasses of examples 1-6 of different compositions all had good radiation protection, while the glasses of comparative examples 1-8 had relatively poor radiation protection.
As can be seen from FIG. 4, the mass attenuation coefficients of the glasses of different compositions prepared in examples 1 to 6 reached 4.9637 to 5.2108cm at an incident photon energy of 0.059MeV2The mass attenuation coefficient of the glass prepared in comparative examples 1 to 6 at an incident photon energy of 0.059MeV reached only 3.5cm2About/g, the mass attenuation coefficients of the glasses TPZBF12 and TPZBF20 obtained in comparative examples 7 to 8 were relatively high at an incident photon energy of 0.059MeV, but were still lower than those of the glasses obtained in examples 1 to 6.
It can be observed that when BaF2When the content is more than 9% mol, the shielding ability against X-rays is rather lowered, resulting in a change in properties, whereas the changes in the attenuation coefficient of glass quality and the half-value layer thickness for the control with respect to the examples are due to a decrease in the relative content of Pb element in the glass of the control.
Method 2
The parameters of the radiation protection capability of the novel X-ray radiation protection special glass prepared by the embodiments are compared by adopting the MFP, and the smaller the value is, the stronger the radiation protection capability of the material with the same thickness is. Fig. 5 is a comparison of the examples with an MFP of RS 360 commercial glass and barite concrete. It can be seen that the protective capabilities of the glasses prepared in examples 1-6 are 1.6 times that of RS 360 commercial glass and 1.85 times that of barite concrete, while the protective capabilities of the glasses prepared in comparative examples 1-5 are somewhat inferior to those of RS 360 commercial glass.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered by the claims of the present invention.
Claims (10)
1. The novel X-ray radiation-proof special glass is characterized by being prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：20-X％；
BaF2：X％；
X＝1～9。
2. the novel special X-ray radiation-proof glass as claimed in claim 1, wherein X is 1, 3, 5, 6, 7 or 9.
3. The novel special X-ray radiation-proof glass as claimed in claim 2, which is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：19％；
BaF2：1％。
4. the novel special X-ray radiation-proof glass as claimed in claim 2, which is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：17％；
BaF2：3％。
5. the novel special X-ray radiation-proof glass as claimed in claim 2, which is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：15％；
BaF2：5％。
6. the novel special X-ray radiation-proof glass as claimed in claim 2, which is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：14％；
BaF2：6％。
7. the novel special X-ray radiation-proof glass as claimed in claim 2, which is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：13％；
BaF2：7％。
8. the novel special X-ray radiation-proof glass as claimed in claim 2, which is prepared from the following components in percentage by mole:
TeO2：60％；
PbO：20％；
ZnO：11％；
BaF2：9％。
9. the preparation method of the novel special X-ray radiation-proof glass as claimed in claim 1, characterized by comprising the following steps:
s1: weighing: weighing the components according to the specified mol percentage;
s2: dissolving: placing the components weighed in the S1 into a heat-resistant container, and then placing the heat-resistant container containing the components into a muffle furnace to be heated and melted to obtain a uniform glass melt;
s3: forming and annealing: pouring the glass melt obtained in the step S2 into a preheated flavone mold to be cooled and molded, and placing the mold in a constant temperature furnace to be annealed to obtain a glass primary product;
s4: cutting the glass primary product obtained in the step S3, and grinding and polishing the surface of the glass primary product to obtain novel X-ray radiation-proof special glass;
preferably, the heating and melting temperature in the heating and melting in the muffle furnace in the step S2 is 850 ℃, and the heating and melting time is 1.5 hours;
preferably, the preheating temperature of the preheating flavone mold in the step S3 is 200-250 ℃, the temperature in the constant temperature furnace is 250-300 ℃, and the annealing time is 24 hours.
10. Use of the novel X-ray radiation protective specialty glass of any of claims 1-8 for protection against X-rays.
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| CN202111462959.3A CN113979634A (en) | 2021-12-02 | 2021-12-02 | Novel X-ray radiation-proof special glass and preparation method thereof |
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| CN202111462959.3A Pending CN113979634A (en) | 2021-12-02 | 2021-12-02 | Novel X-ray radiation-proof special glass and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB776784A (en) * | 1954-05-10 | 1957-06-12 | British Thomson Houston Co Ltd | Glass compositions |
| CN1765793A (en) * | 2000-12-25 | 2006-05-03 | 日本电气硝子株式会社 | CRT funnel of a non beam-index type |
| CN106007366A (en) * | 2016-07-20 | 2016-10-12 | 北京玻璃研究院 | Radiation shielding glass and preparation method thereof |
| CN112250303A (en) * | 2020-10-28 | 2021-01-22 | 中国建筑材料科学研究总院有限公司 | High-strength radiation-proof glass and preparation method and application thereof |
| CN112851118A (en) * | 2021-02-01 | 2021-05-28 | 北方工业大学 | Tellurate glass with high refractive index and preparation method thereof |
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2021
- 2021-12-02 CN CN202111462959.3A patent/CN113979634A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB776784A (en) * | 1954-05-10 | 1957-06-12 | British Thomson Houston Co Ltd | Glass compositions |
| CN1765793A (en) * | 2000-12-25 | 2006-05-03 | 日本电气硝子株式会社 | CRT funnel of a non beam-index type |
| CN106007366A (en) * | 2016-07-20 | 2016-10-12 | 北京玻璃研究院 | Radiation shielding glass and preparation method thereof |
| CN112250303A (en) * | 2020-10-28 | 2021-01-22 | 中国建筑材料科学研究总院有限公司 | High-strength radiation-proof glass and preparation method and application thereof |
| CN112851118A (en) * | 2021-02-01 | 2021-05-28 | 北方工业大学 | Tellurate glass with high refractive index and preparation method thereof |
Non-Patent Citations (2)
| Title |
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| R. EL-MALLAWANY, ET AL.: "New shielding ZnO-PbO-TeO2 glasses" * |
| SHIYU YIN, ET AL.: "Study on the Optical Properties of High Refractive Index TeO2-PbO-ZnO-BaF2 Glass System" * |
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